#VU45789 Input validation error in Cisco Data Center Network Manager


Published: 2020-08-19

Vulnerability identifier: #VU45789

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3538

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Data Center Network Manager
Server applications / Remote management servers, RDP, SSH

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote user to list or overwrite files on the device.

The vulnerability exists due to insufficient validation of user-supplied input in a certain REST API endpoint of Cisco Data Center Network Manager (DCNM) Software. A remote user can send a specially crafted HTTP request to the system and list of overwrite arbitrary files on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Data Center Network Manager: 11.3.0.564 - 11.4.0.335


External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-pa-trav-bMdfSTTq


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability